proceedings of the 44th symposium organized by the international assoc. of biological standardization held at the congress hall, via corridoni italy 16-19 dec.1974 Regamey, R. H. (ed.) creator Hennessen,W. (ed.) text xx Basel S. Karger 1975 9999 monographic und ENG x+490 virology, antiviral therapy, pharmacology TK 5542 / 25.06.1976 Virology Pharmacology -- Therapeutics 615.371 260808 20260808125413.0